20
Participants
Start Date
September 26, 2019
Primary Completion Date
May 29, 2020
Study Completion Date
August 28, 2020
Aquagen
To compare the clinical allergic response after direct installation of an aqueous solution of Aquagen Timothy Grass pollen extract via nasal allergen challenge with the clinical allergic response after direct installation of an aqueous solution of Grazax Timothy Grass lyophilisate tablets via nasal allergen challenge in grass pollen allergic individuals.
Grazax
To compare the clinical allergic response after direct installation of an aqueous solution of Aquagen Timothy Grass pollen extract via nasal allergen challenge with the clinical allergic response after direct installation of an aqueous solution of Grazax Timothy Grass lyophilisate tablets via nasal allergen challenge in grass pollen allergic individuals.
Royal Brompton Hospital, London
Imperial College London
OTHER